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Mitsubishi Electric PFAV-P250VM-E Service Manual page 37

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[ II Restrictions ]
2. Single-refrigerant-circuit system
(1) Sample control cable wiring configuration
(2) Cautions
1) Assign sequential addresses to the indoor unit.
2) No more than two MA remote controllers can be connect-
ed to a group of indoor units. To connect three or more
indoor units to the system, use two or less MA remote
controllers.
HWE10190
L2
L1
OC
52
51
TB3
TB7
TB3
TB7
M1 M2
M1 M2
S
M1 M2
M1 M2 S
m1
- 28 -
IC
01
TB5-1
M1 M2 S
TB15
1 2
m2
A B
A B
A B
MA(Main)
MA(Sub)
MA
02*
* Applicable to the
P750 and P900-F
models.
(3) Maximum allowable length
1) Indoor-outdoor transmission cable
Maximum cable distance (1.25 mm
L1 +L2 ≤ 200m [656ft]
2) Transmission cable for the centralized control system
No connection is required.
3) MA remote controller wiring
Total cable length (0.3 to 1.25mm
m1 +m2 ≤ 200m [656ft]
2
[AWG16] min.)
2
[AWG22 to 16])
GB
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